Audio receiver



FIG. 1 is a perspective view of an audio receiver showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation view thereof, the opposite side elevational view being substantially a mirror image thereof;

FIG. 4 is a front elevation view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for an audio receiver, as shown and described. 